Abstract: The invention relates to a rotary projector for a coating product that comprises a spraying member (1) having at least one ridge (12) capable of forming a jet of product, a means for rotating the member (1), a stationary body (2) having primary (4) and secondary (6) openings formed on primary and secondary outlines surrounding the rotation axis (X1) of the member (1) and for respectively outputting primary and secondary air jets (J6). Each primary air jet is inclined relative to the rotation axis (X1) in a primary direction such that the primary air jet freely crosses the area where the ridge (12) is located, while each secondary air jet is inclined relative to the rotation axis (X1) in a secondary direction (J6) having at least one axial component (A6) and one radial component (R6), said components (A6, R6) being such that the secondary air jet (J6) impinges on an outer surface (13) of the spraying member (1).

Abstract: The present invention relates to a system for filling a sprayer tank with at least one liquid solution, including at least a first tank containing a first liquid solution and a second tank configured to contain a second liquid solution, means for temporarily connecting the system to the tank, means for incorporating an active material into the first tank or between the first tank and the connecting means, and pumping means controlled by a control device and configured to selectively fill the tank with the liquid solution(s). The system also includes means for preparing the first liquid solution in the first tank by mixing the second solution and the active material in predetermined proportions. The means for preparing the first liquid solution include at least the means for incorporating the active material, which are positioned between the first tank and the second tank, as well as agitation means configured to ensure that the first liquid solution remains a suspension in the first tank.

Abstract: A system includes a first pump feeding a first component into a mixer, and a second pump feeding a second component into the mixer. The movement of the piston of each pump can be reversed from a direction of suction and of expulsion of the volume of the pump to a direction of expulsion of the component and vice versa. A movement detector is associated with each pump and is connected to a controller programmed to trigger the reversal of a pump after having determined that the volume remaining in the pump is insufficient to ensure the predetermined metering ratio. The controller is programmed to provide the continuous feeding of the first component into the mixer through the operation of the system, and the intermittent feeding of the second component into the mixer in order to carry out cycles of feeding doses of the second component into the mixer.

Abstract: An installation for spraying a coating product on objects, such as motor vehicle bodies, that are moved by a conveyor (4) parallel to a conveying axis (X4) and having base (102) and mobile (104-108) portions. A multi-axis spraying robot (50) is dedicated to spraying a coating product. A multi-axis handling robot (60) is dedicated to manoeuvring the mobile portion (104-106-108) of an object (100) to be coated relative to the base portion (102). Each robot is movable parallel to the conveying axis. Ventilation means provide a flow of ventilation air (F1) inside a booth (3), perpendicular to the conveying axis (X4). The spraying and handling robots (50, 60) are both slidably mounted along a same rail (8) parallel to the conveying axis (X4), and can pass each other. The rail is disposed upstream from the objects to be coated (100), in the direction of flow of the ventilation air (F1).

Abstract: The invention relates to a rotary sprayer for spraying a coating material, comprising a fixed body, a spraying member, a device for rotating the spraying member about a rotational axis, and a flow path for supplying the spraying member with a coating material. The spraying member for the coating material includes a flow surface for receiving the coating material and an edge for spraying the coating material. The rotary sprayer further includes a device for injecting air into a region located radially inside the space defined by the flow surface and upstream from the edge, the air-injecting device being separate from the coating material supply flow path. The air-injecting device includes an air dispenser arranged in an upstream portion of the flow surface, which injects air into a central area of the surface.

Abstract: This spraying member (10) comprises at least one outer bowl (100) and one inner bowl (200), each bowl defining a spraying edge (101, 201), one inner spreading surface (102, 202) and one outer surface (103, 203). The inner bowl (200) is positioned radially on the inside of the outer bowl (100), whereas a volume (V1) defined between the inner surface (102) of the outer bowl (100) and the outer surface (203) of the inner bowl (200) has a thickness (e), corresponding to the distance between this inner surface (102) and this outer surface (203), decreasing between a first value (e1), taken at the zone for inlet of cleaning product into the volume (V1), and a second value (e2), taken at the spraying edge (101) of the outer bowl (100). The spraying member (10) comprises means (68) for the central supply of the inner spreading surfaces (102, 202).

Abstract: The invention relates to a member (10) for spraying a coating product comprising a primary surface (20) for spreading the product and at least two secondary, inner (21) and outer (22) surfaces for spreading the product that extend downstream of the primary surface (20), the primary (20) and secondary (21, 22) surfaces being coaxial (X10-X10), the downstream portions of the secondary surfaces (21, 22) defining an inner spraying edge (23) and an outer spraying edge (24). The downstream portions (21b, 22b) of the secondary surfaces (21, 22) have, relative to one another, directions (A21, A22) that are overall divergent towards the downstream direction. The inner edge (23) has a diameter substantially smaller than the diameter of the outer edge (24).

Abstract: The present disclosure describes an atomizer having a body with an inner portion and an outer portion; an atomizer member; and outlet channels about the spraying axis (X1) for ejecting air so as to shape the spray of material. The atomizer also has an outlet chamber communicating with the outlet channels; and an inlet duct for feeding air to the outlet channels. The atomizer also includes at least two intermediate chambers juxtaposed and extending about the spraying axis (X1); axial intermediate channels, two juxtaposed intermediate chambers being interconnected via a set of intermediate channels distributed about the spraying axis (X1); and outlet ducts distributed about the spraying axis (X1).

Abstract: A spray nozzle includes a tubular channel extending along a longitudinal axis, a slot formed by two approximately plane surfaces converging in a direction of the channel and located on either side of a plane including the longitudinal axis of the channel, and a dome connecting the channel and the slot wherein a length of the dome represents less than 50% of a largest transverse dimension of the channel and a plane cross section of the dome is symmetric and it is defined by at least two different circular arcs.

Abstract: A station for reloading a sprayer is disclosed that includes a tank coupled to at least one coating material circuit by a coupler, a docking unit that is adapted to receive a sprayer; and at least one accumulator having a volume that is greater than or equal to the volume of the tank. Each accumulator is connected to at least one circuit by the coupler. The station also includes a mechanism for pressurizing the accumulator. The accumulator is connected to the docking unit which is, in turn, connected to the tank.

Abstract: The invention relates to an agricultural machine for spraying a phytosanitary liquid over cultivated land, said machine comprising means for moving the machine, a spray boom having at least one arm, a mechanism for inclining the boom and/or at least one of the arms in relation to a frame of the machine and vertically when the machine is on a flat and horizontal surface, and a mechanism for raising/lowering the boom along an axis fixed in relation to the frame of the machine. At least one of the arms is provided with at least one sensor, each sensor measuring a distance between the surface of the land and said sensor or, if necessary, between the crop and the sensor. The control unit is connected to each sensor, provided with a memory for storing information provided by each sensor, and able to control the raising/lowering mechanism according to information stored in the memory.

Abstract: The invention relates to an agricultural machine (1) for spraying a phytosanitary liquid over a crop planted in a section of land, comprising a spray boom (2) having at least one am1 (2a), a mechanism for raising/lowering the boom (2) and, for each arm (2a), a mechanism (3) for inclining the arm (2a), a manual system (38) for controlling each inclining body (3), and a receiver (4) for communicating with a geolocalisation system and a control unit (5). Each arm (2a) is provided with at least one sensor (6) measuring a distance (d) between said sensor and the surface (S) of the land or vegetation planted in the land, and an element (7, 70, 103) for measuring a datum relating to the incline of the arm (2a).

Abstract: A spraying assembly is provided. The spraying assembly includes at least one nozzle for liquid that is to be sprayed, and at least one active substance injector which is situated directly upstream from the at least one nozzle and to which liquid to be sprayed is supplied by a pump or a pressurized reservoir, with interposition of an obturator on a conduit connecting the pump or the pressurized reservoir to the injector. The spraying assembly also includes an outlet valve for each injector designed to close each outlet orifice. The present invention avoids overdosing or underdosing of the product that is to be sprayed as active substance.

Abstract: The present invention relates to a system for filling a sprayer tank with at least one liquid solution, including at least a first tank containing a first liquid solution and a second tank configured to contain a second liquid solution, means for temporarily connecting the system to the tank, means for incorporating an active material into the first tank or between the first tank and the connecting means, and pumping means controlled by a control device and configured to selectively fill the tank with the liquid solution(s). The system also includes means for preparing the first liquid solution in the first tank by mixing the second solution and the active material in predetermined proportions. The means for preparing the first liquid solution include at least the means for incorporating the active material, which are positioned between the first tank and the second tank, as well as agitation means configured to ensure that the first liquid solution remains a suspension in the first tank.

Abstract: This manual and localized weeding apparatus (1) comprises a heat generator (4) which is attached to a rod (2). The heat generator (4) comprises a fan and a heating resistor projecting a hot air jet (J1) into an inner volume (V5) of a bell (5) provided with a free edge (551) for supporting the apparatus (1) on the ground. According to the invention, the bell (5) is provided with at least one hole for discharging an air jet (J2) from the inner volume (V5) of the bell (5). The hole is separated from the free edge (551) by a distance of more than 2 cm.

Abstract: A system includes a first pump feeding a first component into a mixer, and a second pump feeding a second component into the mixer. The movement of the piston of each pump can be reversed from a direction of suction and of expulsion of the volume of the pump to a direction of expulsion of the component and vice versa. A movement detector is associated with each pump and is connected to a controller programmed to trigger the reversal of a pump after having determined that the volume remaining in the pump is insufficient to ensure the predetermined metering ratio. The controller is programmed to provide the continuous feeding of the first component into the mixer through the operation of the system, and the intermittent feeding of the second component into the mixer in order to carry out cycles of feeding doses of the second component into the mixer.

Abstract: A system for continuously metering and transporting a powder comprises means (104-107) for fluidizing (F2) the powder in a closed reservoir (4), a tube (110) dipping into the fluidized powder (L4) and discharging (110B) to the outside of the reservoir (4), and means (S2, C2) for pressurizing the reservoir. The system further comprises supply means (C3) for continuously supplying pressurizing gas from the reservoir (4) to a chamber (V6) for mixing the gas with fluidized powder leaving the tube (110), said supply means (C3) being equipped with or constituting a constriction (R3) to the flow of the pressurizing gas. A hose (7) for transporting the powder mixed with the pressurizing gas is connected to the downstream end of the mixing chamber (V6).

Abstract: The ventilation system for a cab (1) of an agricultural machine involved in spraying operations comprises; at least one outside air intake (7); at least one air outlet (29) opening out into said cab (1); means (14) for causing air coming from said outside air intake (7) to flow towards said air outlet (29); means (11) for selectively closing said outside air intake, referred to as first closure means; and means (21, 23) for controlling the spraying function. The first closure means (11) are slaved to said control means (21, 23) in such a manner that activating and deactivating the spraying function lead respectively to said air intake (7) being closed and opened by said first closure means (11).

Abstract: An automatic spray gun includes a nozzle (4) for ejecting the product that is to be sprayed, controlled by a needle valve (9), and means (14, 10) for controlling the movement of the needle (9). A tabular elastic sealing means (13) surrounds the needle valve (9) and is mounted trapped between the front (1a) and rear (1b) parts of the body. The interior surface of the tabular means (13) is tailored to the diameters of the needle valve (9) and of a control slide (14) mounted on the needle valve in order to move the needle thereof.

Abstract: The invention relates to a rotary sprayer for spraying a coating material, comprising a fixed body, a spraying member, means for rotating the spraying member about a rotational axis, and means for supplying the spraying member with a coating material. The spraying member for the coating material includes a flow surface for receiving the coating material and an edge for spraying the coating material. The rotary sprayer further includes means for injecting air into a region located radially inside the space defined by the flow surface and upstream from the edge, said air-injecting means being separate from the coating material supply means. The air-injecting means includes an air dispenser arranged in an upstream portion of the flow surface, which injects air into a central area of said surface.